Home / 9,429.54-13,009.19-5,652.78

Finding the Fourth Proportional to 9,429.54, 13,009.19 and 5,652.78

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Solution

The fourth proportional to 9,429.54, 13,009.19 and 5,652.78 is: 7,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.54 : 13,009.19 = 5,652.78 : x
  2. Step 2: Convert to fraction form
    9,429.54/13,009.19 = 5,652.78/x
  3. Step 3: Cross multiply
    9,429.54x = 13,009.19 × 5,652.78
  4. Step 4: Simplify right side
    9,429.54x = 73,538,060.78
  5. Step 5: Solve for x
    x = 73,538,060.78/9,429.54
  6. Step 6: Final answer
    x = 7,798.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.